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Wei J, Yi Z, Yang L, Zhang L, Yang J, Qin M, Cao S. Photonic crystal gas sensors based on metal-organic frameworks and polymers. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4901-4916. [PMID: 38979999 DOI: 10.1039/d4ay00764f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
A photonic crystal (PC) is an optical microstructure with an adjustable dielectric constant. The PC sensor was deemed a powerful tool for gas molecule detection due to its excellent sensitivity, stability, online use and tailorable optical performance. The detection signals are generated by monitoring the changes of the photonic band gap when the sensing behavior occurs. Recently, many efforts have been devoted to improving the PC sensor's detection performance and reducing technical costs by selecting and refining functional materials. In this case, metal-organic frameworks (MOFs) with a large specific surface, tunable structural properties and polymers with unique swelling properties have attracted increasingly attention. In this review, a systematic review of PC gas sensors based on MOFs and polymers was carried out for the first time. Firstly, the optical properties and gas sensing mechanism of PCs were briefly summarized. Secondly, a detailed discussion of the structural properties and rapid preparation methods of distributed Bragg reflectors (DBRs), opals and inverse opals (IOPCs) was presented. Thirdly, the recent advances in MOF, polymer and MOF/polymer-based PC sensors over the past few years were summarized. It should be noted that the sensitivity and selectivity enhancement strategy by appropriate material species selection, organic ligand functionalization, metal-ion doping, diverse functional material arrays, and multi-component compounding were analyzed in detail. Finally, prospects on PC gas sensors are given in terms of preparation methods, material functionalization and future applications.
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Affiliation(s)
- Jianan Wei
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Zhihao Yi
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Liu Yang
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Ling Zhang
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Junchao Yang
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Molin Qin
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
| | - Shuya Cao
- State Key Laboratory of NBC Protection for Civilian, Beijing, China.
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2
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Estany-Macià A, Fort-Grandas I, Joshi N, Svendsen WE, Dimaki M, Romano-Rodríguez A, Moreno-Sereno M. ZIF-8-Based Surface Plasmon Resonance and Fabry-Pérot Sensors for Volatile Organic Compounds. SENSORS (BASEL, SWITZERLAND) 2024; 24:4381. [PMID: 39001159 PMCID: PMC11244607 DOI: 10.3390/s24134381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/25/2024] [Accepted: 07/01/2024] [Indexed: 07/16/2024]
Abstract
This work explores the use of ZIF-8, a metal-organic framework (MOF) material, for its use in the optical detection of volatile organic compounds (VOCs) in Fabry-Pérot and surface plasmon resonance (SPR)-based sensors. The experiments have been carried out with ethanol (EtOH) and show response times as low as 30 s under VOC-saturated atmospheres, and the estimated limit of detection is below 4000 ppm for both sensor types. The selectivity towards other VOCs is relatively poor, although the dynamics of adsorption/desorption differ for each VOC and could be used for selectivity purposes. Furthermore, the hydrophobicity of ZIF-8 has been confirmed and the fabricated sensors are insensitive to this compound, which is a very attractive result for its practical use in gas sensing devices.
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Affiliation(s)
- Anna Estany-Macià
- Department of Electronics and Biomedical Engineering, Universitat de Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
| | - Ignasi Fort-Grandas
- Department of Electronics and Biomedical Engineering, Universitat de Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
- Department of Inorganic and Organic Chemistry, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Nirav Joshi
- Department of Electronics and Biomedical Engineering, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Winnie E Svendsen
- Group NABIS, Department of Biotechnology and Biomedicine, Technical University of Denmark (DTU), 2800 Kongens Lyngby, Denmark
| | - Maria Dimaki
- Group NABIS, Department of Biotechnology and Biomedicine, Technical University of Denmark (DTU), 2800 Kongens Lyngby, Denmark
| | - Albert Romano-Rodríguez
- Department of Electronics and Biomedical Engineering, Universitat de Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
| | - Mauricio Moreno-Sereno
- Department of Electronics and Biomedical Engineering, Universitat de Barcelona, 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
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Smirnova O, Sajzew R, Finkelmeyer SJ, Asadov T, Chattopadhyay S, Wieduwilt T, Reupert A, Presselt M, Knebel A, Wondraczek L. Micro-optical elements from optical-quality ZIF-62 hybrid glasses by hot imprinting. Nat Commun 2024; 15:5079. [PMID: 38871703 DOI: 10.1038/s41467-024-49428-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 05/31/2024] [Indexed: 06/15/2024] Open
Abstract
Hybrid glasses derived from meltable metal-organic frameworks (MOFs) promise to combine the intriguing properties of MOFs with the universal processing ability of glasses. However, the shaping of hybrid glasses in their liquid state - in analogy to conventional glass processing - has been elusive thus far. Here, we present optical-quality glasses derived from the zeolitic imidazole framework ZIF-62 in the form of cm-scale objects. These allow for in-depth studies of optical transparency and refraction across the ultraviolet to near-infrared spectral range. Fundamental viscosity data are reported using a ball penetration technique, and subsequently employed to demonstrate the fabrication of micro-optical devices by thermal imprinting. Using 3D-printed fused silica templates, we show that concave as well as convex lens structures can be obtained at high precision by remelting the glass without trading-off on material quality. This enables multifunctional micro-optical devices combining the gas uptake and permeation ability of MOFs with the optical functionality of glass. As an example, we demonstrate the reversible change of optical refraction upon the incorporation of volatile guest molecules.
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Affiliation(s)
- Oksana Smirnova
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
| | - Roman Sajzew
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, Jena, Germany
| | | | - Teymur Asadov
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
| | - Sayan Chattopadhyay
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
| | - Torsten Wieduwilt
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, Jena, Germany
| | - Aaron Reupert
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
| | - Martin Presselt
- Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, Jena, Germany
- Friedrich Schiller University Jena, Center for Energy and Environmental Chemistry, Jena, Germany
- SciClus GmbH & Co. KG, Moritz-von-Rohr-Str. 1a, Jena, Germany
| | - Alexander Knebel
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany
- Friedrich Schiller University Jena, Center for Energy and Environmental Chemistry, Jena, Germany
| | - Lothar Wondraczek
- Friedrich Schiller University Jena, Otto Schott Institute of Materials Research, Fraunhoferstr. 6, Jena, Germany.
- Friedrich Schiller University Jena, Center for Energy and Environmental Chemistry, Jena, Germany.
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Zhang X, Cai X, Yin N, Che Y, Jiao Y, Zhang C, Yu J, Liu C. Hierarchical PVDF/ZnO/Ag/ZIF-8 nanofiber membrane used in trace-level Raman detection of H 2S. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134441. [PMID: 38678721 DOI: 10.1016/j.jhazmat.2024.134441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/07/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
surface enhanced Raman scattering (SERS) detection of gases has always been difficult due to the low affinity and poor Raman cross section of the moving molecules. To mitigate the impact of these problems on detection of gases, a structure of zinc oxide/silver nanowires coated with zeolitic imidazolate framework-8 (ZnO NWs/Ag/ZIF-8) was constructed on polyvinylidene fluoride (PVDF) nanofiber membrane (PVDF/ZnO NWs/Ag/ZIF-8) and in detail researched in this work. Benefitting from the quadruple synergistic effect of efficient Knudsen diffusion of gas molecules inside ZIF-8, enrichment of ZIF-8 microsponges for gaseous molecules, regulation of ZIF-8 dielectric layer for light and reverse light scattering of ZnO NW/Ag tip, the structure was proven to have precise co-confinement on both hot spots and gaseous molecules. As a result, this PVDF/ZnO NWs/Ag/ZIF-8 achieved excellent detection for hydrogen sulfide (H2S), with a limit of detection of 1 × 10-10 v/v and the minimum relative standard deviation value of ca. 7.13 %. Furthermore, as a proof of concept, in practical application, we designed and assembled our substrate (3.5 cm × 3.5 cm) into a SERS face mask and realized efficient monitoring of H2S in human's exhaled breath.
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Affiliation(s)
- Xinyu Zhang
- School of Physics and Electronic Engineering, Qilu Normal University, Jinan 250200, PR China; School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China
| | - Xin Cai
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China
| | - Naiqiang Yin
- School of Physics and Electronic Engineering, Qilu Normal University, Jinan 250200, PR China
| | - Yahui Che
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China
| | - Yang Jiao
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China.
| | - Chao Zhang
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China
| | - Jing Yu
- School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China; Shandong Key Laboratory of Biophysics, Dezhou University, Dezhou 253023, PR China.
| | - Chundong Liu
- School of Physics and Electronic Engineering, Qilu Normal University, Jinan 250200, PR China; School of Physics and Electronics, Shandong Normal University, Jinan 250014, PR China.
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Klepzig LF, Keppler NC, Rudolph DA, Schaate A, Behrens P, Lauth J. Highly Transparent, Yet Photoluminescent: 2D CdSe/CdS Nanoplatelet-Zeolitic Imidazolate Framework Composites Sensitive to Gas Adsorption. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309533. [PMID: 38078785 DOI: 10.1002/smll.202309533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Indexed: 05/03/2024]
Abstract
In this work, thin composite films of zeolitic imidazolate frameworks (ZIFs) and colloidal two-dimensional (2D) core-crown CdSe/CdS nanoplatelet (NPL) emitters with minimal scattering are formed by a cycled growth method and yield highly transparent coatings with strong and narrow photoluminescence of the NPLs at 546 nm (FWHM: 25 nm) in a solid-state composite structure. The porous ZIF matrix acts as functional encapsulation for the emitters and enables the adsorption of the guest molecules water and ethanol. The adsorption and desorption of the guest molecules is then characterized by a reversable photoluminescence change of the embedded NPLs. The transmittance of the composite films exceeds the values of uncoated glass at visible wavelengths where the NPL emitters show no absorption (>540 nm) and renders them anti-reflective coatings. At NPL absorption wavelengths (440-540 nm), the transmittance of the thin composite film-coated glass lies close to the transmittance of uncoated glass. The fast formation of innovative, smooth NPL/ZIF composite films without pre-polymerizing the colloidal 2D nanostructures first provides a powerful tool toward application-oriented photoluminescence-based gas sensing.
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Affiliation(s)
- Lars F Klepzig
- Institute of Physical Chemistry, Leibniz University Hannover, Callinstraße 3A, D-30167, Hannover, Germany
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Leibniz University Hannover, Welfengarten 1A, D-30167, Hannover, Germany
| | - Nils C Keppler
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Leibniz University Hannover, Welfengarten 1A, D-30167, Hannover, Germany
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstraße 9, D-30167, Hannover, Germany
| | - Dominik A Rudolph
- Institute of Physical Chemistry, Leibniz University Hannover, Callinstraße 3A, D-30167, Hannover, Germany
| | - Andreas Schaate
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Leibniz University Hannover, Welfengarten 1A, D-30167, Hannover, Germany
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstraße 9, D-30167, Hannover, Germany
- Laboratory of Nano and Quantum Engineering (LNQE), Leibniz University Hannover, Schneiderberg 39, D-30167, Hannover, Germany
| | - Peter Behrens
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Leibniz University Hannover, Welfengarten 1A, D-30167, Hannover, Germany
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstraße 9, D-30167, Hannover, Germany
- Laboratory of Nano and Quantum Engineering (LNQE), Leibniz University Hannover, Schneiderberg 39, D-30167, Hannover, Germany
| | - Jannika Lauth
- Institute of Physical Chemistry, Leibniz University Hannover, Callinstraße 3A, D-30167, Hannover, Germany
- Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Leibniz University Hannover, Welfengarten 1A, D-30167, Hannover, Germany
- Laboratory of Nano and Quantum Engineering (LNQE), Leibniz University Hannover, Schneiderberg 39, D-30167, Hannover, Germany
- Institute of Physical Chemistry and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, D-30167, Tübingen, Germany
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Jackson D, Rose M, Kamenetska M. Tunable growth of a single high-density ZIF nanoshell on a gold nanoparticle isolated in an optical trap. NANOSCALE 2024; 16:2591-2598. [PMID: 38224315 DOI: 10.1039/d3nr05316d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Here, we demonstrate an all-optical method using an optical tweezer to controllably grow high quality zeolitic imidazolate framework (ZIF) nanoshells on the surface of gold nanoparticles (AuNPs) and monitor the growth via darkfield spectroscopy. Our single particle approach allows us to localize an individual NP within a microscope slide chamber containing ZIF precursors at the focus of an optical microscope and initiate growth through localized heating without affecting the bulk system. Darkfield spectroscopy is used to characterize changes to the localized surface plasmon resonance (LSPR) of the AuNP resulting from refractive index changes as the ZIF crystal grows on the surface. We show that the procedure can be generalized to grow various types of ZIF crystals, such as ZIF-8, ZIF-11, and a previously undocumented ZIF variety. Utilizing both computational models and experimental methods, we identify the thickness of ZIF layers to be self-limiting to ∼50 nm or less, depending on the trapping laser power. Critically, the refractive index of the shells here was found to be above 1.6, indicating the formation of high-density crystals, previously accessible only through slow atomic layer deposition and not through a bulk heating process. The single particle method developed here opens the door for bottom-up controllable growth of custom nanostructures with tunable optical properties.
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Affiliation(s)
- Daniel Jackson
- Department of Chemistry, Boston University, Boston, MA 02215, USA.
| | - Maitreya Rose
- Department of Physics, Boston University, Boston, MA 02215, USA
| | - Maria Kamenetska
- Department of Chemistry, Boston University, Boston, MA 02215, USA.
- Department of Physics, Boston University, Boston, MA 02215, USA
- Division of Material Science and Engineering, Boston University, Boston, MA 02215, USA
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7
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Keppler NC, Hannebauer A, Hindricks KDJ, Zailskas S, Schaate A, Behrens P. Transmission Porosimetry Study on High-quality Zr-fum-MOF Thin Films. Chem Asian J 2023; 18:e202300699. [PMID: 37713072 DOI: 10.1002/asia.202300699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/12/2023] [Accepted: 09/12/2023] [Indexed: 09/16/2023]
Abstract
Crystalline Zr-fum-MOF (MOF-801) thin films of high quality are prepared on glass and silicon substrates by direct growth under solvothermal conditions. The synthesis is described in detail and the influence of different synthesis parameters such as temperature, precursor concentration, and the substrate type on the quality of the coatings is illustrated. Zr-fum-MOF thin films are characterized in terms of crystallinity, porosity, and homogeneity. Dense films of optical quality are obtained. The sorption behavior of the thin films is studied with various adsorptives. It can be easily monitored by measuring the transmission of the films in gas flows of different compositions. This simple transmission measurement at only one wavelength allows a very fast evaluation of the adsorption properties of thin films as compared to traditional sorption methods. The sorption behavior of the thin films is compared with the sorption properties of Zr-fum-MOF powder samples.
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Affiliation(s)
- Nils Christian Keppler
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
- Leibniz University Hannover Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Welfengarten 1, 30167, Hannover, Germany
| | - Adrian Hannebauer
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
| | - Karen Deli Josephine Hindricks
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
- Leibniz University Hannover Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Welfengarten 1, 30167, Hannover, Germany
| | - Saskia Zailskas
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
| | - Andreas Schaate
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
- Leibniz University Hannover Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Welfengarten 1, 30167, Hannover, Germany
| | - Peter Behrens
- Leibniz University Hannover, Institute of Inorganic Chemistry, Callinstr. 9, 30167, Hannover, Germany
- Leibniz University Hannover Cluster of Excellence PhoenixD (Photonics, Optics and Engineering - Innovation Across Disciplines), Welfengarten 1, 30167, Hannover, Germany
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8
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Hindricks KDJ, Schaate A, Behrens P. Postsynthetic Photochemical Modification and 2D Structuring of Zr-MOF Thin Films Containing Benzophenone Linker Molecules. Angew Chem Int Ed Engl 2023; 62:e202303753. [PMID: 37154383 DOI: 10.1002/anie.202303753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/10/2023]
Abstract
For the fabrication of next-generation MOF-based devices the availability of highly adaptable materials in suitable shapes is crucial. Here, we present thin films of a metal-organic framework (MOF) containing photoreactive benzophenone units. Crystalline, oriented and porous films of the zirconium-based bzpdc-MOF (bzpdc=benzophenone-4-4'-dicarboxylate) are prepared by direct growth on silicon or glass substrates. Via a subsequent photochemical modification of the Zr-bzpdc-MOF films, various properties can be tuned postsynthetically by covalent attachment of modifying agents. Apart from the modification with small molecules, also grafting-from polymerization reactions are possible. In a further extension, 2D structuring and photo-writing of defined structures is also possible, for example by using a photolithographic approach, paving the way towards micro-patterned MOF surfaces.
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Affiliation(s)
- Karen D J Hindricks
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany
- Cluster of Excellence PhoenixD, Leibniz University Hannover, Welfengarten 1A, 30167, Hannover, Germany
| | - Andreas Schaate
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany
- Cluster of Excellence PhoenixD, Leibniz University Hannover, Welfengarten 1A, 30167, Hannover, Germany
| | - Peter Behrens
- Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstr. 9, 30167, Hannover, Germany
- Cluster of Excellence PhoenixD, Leibniz University Hannover, Welfengarten 1A, 30167, Hannover, Germany
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9
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Narimbi J, Balakrishnan S, Perova TS, Dee G, Swiegers GF, Gun’ko YK. XRD and Spectroscopic Investigations of ZIF-Microchannel Glass Plates Composites. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2410. [PMID: 36984290 PMCID: PMC10056852 DOI: 10.3390/ma16062410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
In this study, new composite materials comprising zeolitic imidazolate framework (ZIF) structures and microchannel glass (MCG) plates were fabricated using the hydrothermal method and their morphological and spectral properties were investigated using XRD, SEM, FTIR, and Raman spectroscopy. XRD studies of powder samples revealed the presence of an additional phase for a ZIF-8 sample, whereas ZIF-67 samples, which were prepared through two different chemical routes, showed no additional phases. A detailed analysis of the FTIR and micro-Raman spectra of the composite samples revealed the formation of stable ZIF structures inside the macropores of the MCG substrate. The hydrophilic nature of the MCG substrate and its interaction with the ZIF structure resulted in the formation of stable ZIF-MCG composites. We believe that these composite materials may find a wide range of important applications in the field of sensors, molecular sieving.
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Affiliation(s)
- Justin Narimbi
- Department of Applied Sciences, The PNG University of Technology, Lae MP 411, Morobe Province, Papua New Guinea
| | - Sivakumar Balakrishnan
- Department of Applied Sciences, The PNG University of Technology, Lae MP 411, Morobe Province, Papua New Guinea
| | - Tatiana S. Perova
- Department of Electronic and Electrical Engineering, Trinity College Dublin, The University of Dublin, D02 PN40 Dublin, Ireland
| | - Garret Dee
- School of Chemistry, Trinity College Dublin, The University of Dublin, D02 PN40 Dublin, Ireland
| | - Gerhard F. Swiegers
- Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Yurii K. Gun’ko
- School of Chemistry, Trinity College Dublin, The University of Dublin, D02 PN40 Dublin, Ireland
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10
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Treger M, Hannebauer A, Schaate A, Budde JL, Behrens P, Schneider AM. Tuning the optical properties of the metal-organic framework UiO-66 via ligand functionalization. Phys Chem Chem Phys 2023; 25:6333-6341. [PMID: 36779311 DOI: 10.1039/d2cp03746g] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Metal-organic frameworks (MOFs) are a promising class of materials for optical applications, especially due to their modular design which allows fine-tuning of the relevant properties. The present theoretical study examines the Zr-based UiO-66-MOF and derivatives of it with respect to their optical properties. Starting from the well-known monofunctional amino- and nitro-functionalized UiO-66 derivatives, we introduce novel UiO-66-type MOFs containing bifunctional push-pull 1,4-benzenedicarboxylate (bdc) linkers. The successful synthesis of such a novel UiO-66 derivative is also reported. It was carried out using a para-nitroaniline (PNA)-based bdc-analogue linker. Applying density functional theory (DFT), suitable models for all UiO-66-MOF analogues were generated by assessing different exchange-correlation functionals. Afterwards, HSE06 hybrid functional calculations were performed to obtain the electronic structures and optical properties. The detailed HSE06 electronic structure calculations were validated with UV-Vis measurements to ensure reliable results. Finally, the refractive index dispersion of the seven UiO-66-type materials is compared, showing the possibility to tailor the optical properties by the use of functionalized linker molecules. Specifically, the refractive index can be varied over a wide range from 1.37 to 1.78.
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Affiliation(s)
- Marvin Treger
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering - Innovation Across Disciplines), Hannover, Germany
| | - Adrian Hannebauer
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
| | - Andreas Schaate
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering - Innovation Across Disciplines), Hannover, Germany
| | - Jan L Budde
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
| | - Peter Behrens
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering - Innovation Across Disciplines), Hannover, Germany
| | - Andreas M Schneider
- Institute of Inorganic Chemistry, Leibniz University Hannover, 30167, Hannover, Germany.
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering - Innovation Across Disciplines), Hannover, Germany
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11
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Wang H, Deng G, Dong L, Zhao K, Chen K, Chiang KS, Wu J. Engineering of metal-organic framework nanomaterials on long-period fiber grating for acetone vapor sensing. RSC Adv 2022; 12:33852-33858. [PMID: 36505719 PMCID: PMC9693743 DOI: 10.1039/d2ra06038h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
Metal-organic framework (MOF) material is one of the most promising porous nanomaterials for volatile organic compound (VOC) adsorption and sensing. The large surface area and the high porosity of MOF contribute to the high sensitivity of MOF-based VOC sensors. In this study, we engineer the coating of the zeolitic imidazolate framework material ZIF-8 grown on the surface of a long-period fiber grating (LPFG) for acetone vapor sensing. Being a periodic structure formed in a single-mode optical fiber, an LPFG is designed to couple light from the core to the cladding of the fiber at a specific resonance wavelength. Adsorption of acetone vapor molecules in the framework of the ZIF-8 coating can change the refractive index of the coating and cause a shift in the resonance wavelength of the LPFG. The sensitivity of the resonance shift of the LPFG to the acetone vapor concentration depends strongly on the thickness of the ZIF-8 coating. To create a dense ZIF-8 coating, at least five growth cycles of ZIF-8 (30 min growth for one cycle) are required, and nine growth cycles can create a 500 nm thick coating. The LPFG coated with nine growth cycles of ZIF-8 provides a high sensitivity of 21.9 nm ppm-1, a low detection limit of 1.4 ppm, and a wide detection range of about 1500 ppm. Our results can facilitate the development of high-performance optical fiber sensors based on MOF for VOC detection.
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Affiliation(s)
- Haishi Wang
- Collaborative Innovation Center of Integrated Computation and Chip Security, Chengdu University of Information TechnologyChengduChina,School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
| | - Guowei Deng
- College of Chemistry and Life Science, Sichuan Provincial Key Laboratory for Structural Optimization and Application of Functional Molecules, Chengdu Normal UniversityChengduChina,School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
| | - Lianghai Dong
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
| | - Ke Zhao
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
| | - Kaixin Chen
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
| | - Kin Seng Chiang
- Department of Electrical Engineering, City University of Hong KongHong KongChina
| | - Jieyun Wu
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of ChinaChengduChina
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